Computer Science Ics Part 1 Chapter 5 Online Test With Answers

Computer Science Ics Part 1 Chapter 5 Online Test

Sr. # Questions Answers Choice
1

What does ethics in daa sciecne include.

 <p>Data theft</p> <p>Fairness and bias</p> <p>Ignoring privacy</p> <p>Manipulating data</p>
2

Which model predicts categorical outcomes.

 <p>Linear regression</p> <p>Logistic regression</p> <p>Pca</p> <p>Arima</p>
3

Which of the following is not a tpe of data visualization.

 <p>Bar chart</p> <p>Pie chart</p> <p>Equation&nbsp;</p> <p>Scatterplot</p>
4

What is the square root of varieance

 <p>Mean</p> <p>Standard deviation</p> <p>Median</p> <p>Mode</p>
5

Which tool is commonly used for creating visualizations.

 <p>Excel</p> <p>Notepad</p> <p>Word</p> <p>Paint</p>
6

Which chart is used to show distribution of data.

 <p>Line graph</p> <p>Histogram</p> <p>Pie chart</p> <p>Boxplot</p>
7

Which visualizatio is best for comparing categories.

 <p>Line graph</p> <p>Bar Cart</p> <p>Scatterplot</p> <p>Histogram</p>
8

Which clustering method requires choosing the number of grops beforehand.

 <p>Hierachical clustering</p> <p>Dbscan</p> <p>k- means clustering</p> <p>gaussian mixture model</p>
9

What is clustering used for.

 <p>Making predictions</p> <p>Grouping similar items</p> <p>Calculating probabilities</p> <p>Finding averages</p>
10

Which model uses a decision threshold.

 <p>Linear regression</p> <p>Logistic regression</p> <p>K means clustering&nbsp;</p> <p>pca</p>
11

Which loss function is used in linear regression.

 <p>log loss</p> <p>cross entropy loss</p> <p>Mean squared error</p> <p>Accuracy</p>
12

Which model predicts continuous numeric value

 <p>Logistic regression</p> <p>Linear regression</p> <p>k-means clustering</p> <p>Accuracy</p>
13

What is the output of logistic regression .

 <p>Binary outcome 0 or 1</p> <p>Continous value</p> <p>Time Series</p> <p>Cluster</p>
14

Which step tests how well the model performs.

 <p>Model development</p> <p>Model evaluation</p> <p>Model training</p> <p>Model deployment</p>
15

Which algorithm is used for predicting numerical values.

 <p>Logistic regression&nbsp;</p> <p>Linear regression</p> <p>k-means clustering</p> <p>Decision tree</p>
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